1987 Alfa Romeo 75 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1987 Alfa Romeo 75 would be higher. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 113 more horse power than 1987 Alfa Romeo 75. (95 HP @ 4300 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1987 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 390 kg more than 1987 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Alfa Romeo 75 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1987 Alfa Romeo 75. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Opel Signum (300 Nm @ 4000 RPM) has 108 more torque (in Nm) than 1987 Alfa Romeo 75. (192 Nm @ 2300 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 75. 2007 Opel Signum has automatic transmission and 1987 Alfa Romeo 75 has manual transmission. 1987 Alfa Romeo 75 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Alfa Romeo 75 | 2007 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Signum |
| Year Released | 1987 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 95 HP | 208 HP |
| Engine RPM | 4300 RPM | 6200 RPM |
| Torque | 192 Nm | 300 Nm |
| Torque RPM | 2300 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 22.0:1 | 10.0:1 |
| Top Speed | 175 km/hour | 237 km/hour |
| Acceleration 0-100mph | 12.4 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1220 kg | 1610 kg |
| Vehicle Length | 4340 mm | 4640 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Consumption Overall | 6 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 49 L | 60 L |
